/******************************************************************************
 * Copyright 2018 The Apollo Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *****************************************************************************/

#include "utils/lib/registerer/registerer.h"

namespace lib {

BaseClassMap& GlobalFactoryMap() {
    static BaseClassMap factory_map;
    return factory_map;
}

bool GetRegisteredClasses(
    const std::string& base_class_name,
    std::vector<std::string>* registered_derived_classes_names) {
    if (registered_derived_classes_names == nullptr) {
        std::cout << "ERROR: "
                  << "registered_derived_classes_names is not available"<< std::endl;
        return false;
    }
    BaseClassMap& map = GlobalFactoryMap();
    auto iter = map.find(base_class_name);
    if (iter == map.end()) {
        std::cout << "ERROR: "
                  << "class not registered:" << base_class_name<< std::endl;
        return false;
    }
    for (auto pair : iter->second) {
        registered_derived_classes_names->push_back(pair.first);
    }
    return true;
}

}  // namespace lib
